Filter cartridge

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Description

FIG. 1 is a top plan view of a filter cartridge showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is a cross-sectional view taken along the line 4--4 of FIG. 3.

Referenced Cited
U.S. Patent Documents
D114666 May 1939 Parkor
D218310 August 1970 Rosenberg
D244538 May 31, 1977 Wharton et al.
3807144 April 1974 Graybill
Patent History
Patent number: D269294
Type: Grant
Filed: Sep 2, 1980
Date of Patent: Jun 7, 1983
Assignee: North American Philips Corporation (New York, NY)
Inventors: William J. Rakocy (Madison, CT), Ronald L. Muller (Old Saybrook, CT)
Primary Examiner: James R. Largen
Attorneys: Thomas A. Briody, William J. Streeter, Rolf E. Schneider
Application Number: 6/183,683
Classifications
Current U.S. Class: D23/163
International Classification: D2304;